Large capacity backpack

Bag size: medium
Capacity: 56-75L
Bag internal structure: sandwich zipper bag
Opening method: zipper
Applicable gender: neutral/male and female
With or without rain cover: Yes
Function: Breathable
Lining texture: nylon
Accessories type: backpack shoulder pads
Strap root number: double root
Popular elements: business style
Carrying parts: hard handle
Type of outer bag: digging bag